Speed up your old laptop or notebook easily and cheaply by adding more memory. I have 3GB of DDR3 RAM for sale that would suit many older laptops and notebooks.
2GB Stick PC8500s 1066Mhz. $80
1GB Stick PC10600s 1333Mhz. $20
$90 for the pair.
Cash only. Please collect from me at Tung Chung MTR Station.